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Finding the Fourth Proportional to 450,373.11, 675,178.13 and 197,461.94

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Solution

The fourth proportional to 450,373.11, 675,178.13 and 197,461.94 is: 296,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,373.11 : 675,178.13 = 197,461.94 : x
  2. Step 2: Convert to fraction form
    450,373.11/675,178.13 = 197,461.94/x
  3. Step 3: Cross multiply
    450,373.11x = 675,178.13 × 197,461.94
  4. Step 4: Simplify right side
    450,373.11x = 133,321,980,513.14
  5. Step 5: Solve for x
    x = 133,321,980,513.14/450,373.11
  6. Step 6: Final answer
    x = 296,025.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.